Alert archive / Arkansas / Tornado Warnings in 2011

Tornado Warning 9, NWS Little Rock, AR

April 14, 2011Logan County, Scott County, Arkansas

NWS Little Rock, AR issued this tornado warning at Apr 14, 2011, 11:00 PM CDT for Logan County, Scott County, Arkansas. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 14, 2011, 11:00 PM CDT (04:00 UTC)
Expired: Apr 14, 2011, 11:30 PM CDT
In force: 30 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Logan County, AR, Scott County, AR

The radar

The Western Arkansas radar (KSRX), 60 km from the middle of the area, began a volume at 04:03 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 14, 9:06 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.0 hours before the alert went out and 206 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2194 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 249 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

015 
WFUS54 KLZK 150400
TORLZK
ARC083-127-150430-
/O.NEW.KLZK.TO.W.0009.110415T0400Z-110415T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1100 PM CDT THU APR 14 2011

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN LOGAN COUNTY IN WESTERN ARKANSAS...
  NORTHEASTERN SCOTT COUNTY IN WESTERN ARKANSAS...

* UNTIL 1130 PM CDT

* AT 1058 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS SEVERE
  STORM WAS LOCATED 6 MILES NORTHEAST OF WALDRON. DOPPLER RADAR
  SHOWED THIS SEVERE STORM MOVING EAST AT 40 MPH.

* LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...
  STONEHOUSE REC AREA...                      CARDIFF...
  UNION HILL...         SUGAR GROVE...        OLIO...
  GRAYSON...            BLUE MTN...           WHITE OAK MTN...
  TATE...               QUARRY HEIGHTS...     MONTGOMERY MTN...
  MIXON...              KNOPPERS FORD REC AREA...
  JACK CREEK REC AREA...                      HISE HILL PARK...
  GOLDEN CITY...        FREEDOM MTN...        BOY SCOUTS LAKE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3514 9369 3509 9369 3509 9370 3504 9369
      3490 9370 3492 9400 3506 9404
TIME...MOT...LOC 0400Z 261DEG 34KT 3498 9401

$$

BJS

1 follow-up statement

618 
WWUS54 KLZK 150429
SVSLZK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1129 PM CDT THU APR 14 2011

ARC083-127-150440-
/O.EXP.KLZK.TO.W.0009.000000T0000Z-110415T0430Z/
SCOTT AR-LOGAN AR-
1129 PM CDT THU APR 14 2011

...THE TORNADO WARNING FOR SOUTHWESTERN LOGAN AND NORTHEASTERN SCOTT
COUNTIES HAS EXPIRED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA.

LAT...LON 3514 9369 3509 9369 3509 9370 3504 9369
      3490 9370 3492 9400 3506 9404
TIME...MOT...LOC 0430Z 261DEG 34KT 3502 9367

$$

BJS

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 14, 10:17 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Polk, Scott	58 min
Apr 14, 10:26 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Montgomery, Perry, Yell	49 min
Apr 14, 10:35 PM CDT	Tornado Warning	LZK	Logan, Scott	25 min
Apr 14, 10:39 PM CDT	Tornado Warning	LZK	Polk, Scott	51 min
Apr 14, 10:40 PM CDT	Tornado Warning	LZK	Logan, Montgomery, Perry, Yell	50 min
Apr 14, 10:58 PM CDT	Tornado Warning	LZK	Polk	32 min
Apr 14, 11:06 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Montgomery, Pike, Polk, Scott and 1 more	39 min
Apr 14, 11:10 PM CDT	Tornado Warning	LZK	Logan	35 min
Apr 14, 11:23 PM CDT	Tornado Warning	LZK	Logan, Pope, Yell	37 min
Apr 14, 11:28 PM CDT	Tornado Warning	LZK	Montgomery, Polk	47 min
Apr 14, 11:37 PM CDT	Tornado Warning	LZK	Johnson, Logan, Pope	19 min
Apr 14, 11:44 PM CDT	Severe Thunderstorm Warning	LZK	Johnson, Logan, Montgomery, Pike, Polk, Pope and 2 more	46 min
Apr 15, 12:04 AM CDT	Severe Thunderstorm Warning	LZK	Conway, Garland, Montgomery, Perry, Pope, Saline and 1 more	41 min
Apr 15, 12:07 AM CDT	Tornado Warning	LZK	Garland, Montgomery, Yell	53 min
Apr 15, 12:12 AM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Izard, Sharp	35 min
Apr 15, 12:22 AM CDT	Severe Thunderstorm Warning	LZK	Clark, Garland, Hot Spring, Montgomery, Pike	42 min
Apr 15, 12:45 AM CDT	Severe Thunderstorm Warning	LZK	Conway, Faulkner, Garland, Perry, Pope, Pulaski and 2 more	45 min
Apr 15, 12:51 AM CDT	Severe Thunderstorm Warning	LZK	Clark, Garland, Grant, Hot Spring, Perry, Pike and 3 more	39 min
Apr 15, 1:11 AM CDT	Special Weather Statement	LZK	Jackson	29 min
Apr 15, 1:23 AM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Conway, Faulkner, Lonoke, Perry, Prairie and 3 more	52 min
Apr 15, 1:24 AM CDT	Tornado Warning	LZK	Faulkner, Perry, Pulaski, Saline	36 min
Apr 15, 1:25 AM CDT	Severe Thunderstorm Warning	LZK	Faulkner, Garland, Grant, Hot Spring, Perry, Pulaski and 1 more	50 min
Apr 15, 1:47 AM CDT	Tornado Warning	LZK	Cleburne, Independence, Stone, White	28 min
Apr 15, 1:56 AM CDT	Tornado Warning	LZK	Grant, Lonoke, Prairie, Pulaski, Saline	34 min
Apr 15, 1:58 AM CDT	Tornado Warning	LZK	Faulkner, Lonoke, Pulaski, White	21 min
Apr 15, 1:59 AM CDT	Tornado Warning	LZK	Lonoke, Pulaski, White	46 min
Apr 15, 2:02 AM CDT	Tornado Warning	LZK	Lonoke, Pulaski	43 min
Apr 15, 2:19 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Cleveland, Dallas, Grant, Jefferson, Lincoln and 3 more	41 min
Apr 15, 2:20 AM CDT	Severe Thunderstorm Warning	LZK	Bradley, Calhoun, Cleveland, Dallas, Ouachita	40 min
Apr 15, 2:30 AM CDT	Tornado Warning	LZK	Lonoke, Monroe, Prairie, Woodruff	45 min
Apr 15, 2:39 AM CDT	Tornado Warning	LZK	Calhoun, Cleveland, Dallas, Lincoln, Ouachita	51 min
Apr 15, 2:40 AM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson, Monroe, Prairie, Sharp, White and 1 more	50 min
Apr 15, 2:40 AM CDT	Tornado Warning	LZK	Lonoke, Monroe, Prairie, White, Woodruff	50 min
Apr 15, 2:49 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Jefferson, Lincoln, Monroe, Prairie, Woodruff	56 min
Apr 15, 2:49 AM CDT	Tornado Warning	LZK	Arkansas, Jefferson	18 min
Apr 15, 2:58 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Bradley, Calhoun, Cleveland, Dallas, Drew and 4 more	47 min
Apr 15, 3:10 AM CDT	Flash Flood Warning	LZK	Baxter, Izard, Marion, Newton, Pope, Searcy and 2 more	110 min
Apr 15, 3:42 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Bradley, Cleveland, Desha, Drew, Jefferson and 2 more	63 min
Apr 15, 4:14 AM CDT	Tornado Warning	LZK	Desha, Drew	46 min
Apr 15, 4:55 AM CDT	Severe Thunderstorm Warning	LZK	Desha	30 min

Nearby

Tornado Warnings in Arkansas, 2011 Every tornado warning in 2011 Tornadoes in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.